Observed on Italian Wikipedia
https://logstash.wikimedia.org/app/kibana#/doc/logstash-*/logstash-2020.10.19/clienterror/?id=AXVBjjQz1pGl6xFMHzWO
at getClass URL1:27:329 at hasClass URL1:26:601 at addClass URL1:26:880 at _onMove URL1:154:65 at handler URL1:66:775 at _handlePointer URL1:165:374 at _addPointerMove/onMove< URL1:165:549 URL1: https://it.wikipedia.org/w/load.php?lang=it&modules=ext.kartographer.dialog%7Cmapbox%7Coojs-ui.styles.icons-interactions&skin=vector&version=ozogx